Dimethylammonium guanidinium naphthalene-1,5-disulfonate
نویسنده
چکیده
The asymmetric unit of the title salt, CH(6)N(3) (+)·C(2)H(8)N(+)·C(10)H(6)O(6)S(2) (2-), consists of one dimethyl-ammonium cation, one guanidinium cation, and two half naphthalene-1,5-disulfonate anions, which lie on inversion centers. N-H⋯O hydrogen bonds link the cations and anions into layers parallel to the ab plane. The layers have a sandwich-like structure, with the sulfonate groups and cations forming outer slices and the naphthalene ring systems inside.
منابع مشابه
Poly[bis(N,N-dimethylformamide-κO)(μ4-naphthalene-1,5-disulfonato)magnesium(II)]
The structure of the title compound, [Mg(C(10)H(6)O(6)S(2))(C(3)H(7)NO)(2)](n), consists of MgO(6) octa-hedra ( symmetry) connected to naphthalene-1,5-disulfonate ligands ( symmetry) in the equatoral plane, forming a two-dimensional network propagating parallel to (010). The coordination sphere of the Mg atom is completed by the O atoms of two N,N-dimethyl-formamide (DMF) mol-ecules in the axia...
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The title molecular salt, C(4)H(12)N(2) (2+)·C(10)H(6)O(6)S(2) (2-), consists of a piperazinium cation and a 1,5-naphthalene-disulfonate anion. Crystallographic inversion centers are situated at the center of the ring of the dication as well as at the midpoint of the central carbon-carbon bond in the dianion. In the crystal, inter-molecular N-H⋯O hydrogen bonds link the cations and anions.
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The asymmetric unit of the title compound, 2C(6)H(14)N(+)·C(10)H(6)O(6)S(2) (2-), contains one 3-methyl-piperidinium cation and one-half of the centrosymmetric naphthalene-1,5-disulfonate anion. In the crystal, anions and cations are linked through N-H⋯O hydrogen bonds into layers parallel to (101).
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The asymmetric unit of the title organic salt, 2C(3)H(5)N(2) (+)·C(10)H(6)O(6)S(2) (2-), consists of an imidazolium cation and half a naphthalene-1,5-disulfonate dianion, completed to the full dianion through an inversion center. N-H⋯S and N-H⋯O hydrogen bonds link cations and anions in the crystal, forming a chain propagating along [101].
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In the crystal of the title mol-ecular salt, 2C(7)H(10)N(+)·C(10)H(6)O(6)S(2) (2-), the naphthalene-1,5-disulfonate anion is located on an inversion center and accepts N-H⋯O hydrogen bonds from the 3-methyl-anilinium cations, forming supra-molecular layers parallel to the ac plane.
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